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Showing Results for "add and subtract"

This science fair project idea investigates if fats add to the flavor of food.

Low Fat, Low Taste?

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Floating Eggs: A Pre-Breakfast Experiment

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

Why is There a Leap Year?

This Echidna coloring page features the rare, egg-laying mammal! Add color to the pictures and learn a few fun facts about this rare species.

Echidna Coloring Page

This rose and bee coloring page features a lovely stem of Sun Downer Roses surrounded by a group of Honey Bees. Add color to bring them to life!

Rose and Bee Coloring Page

Learning to add single-digit numbers is a highlight of the kindergarten math curriculum. You can support addition fluency with this guided lesson that takes kindergarteners through an understanding of values. Kids will learn with focused instruction and practice that by putting numbers together, they get a new number. When the lesson is over, kids can continue practicing addition with our accompanying worksheets.

Typing Home Row 1

The Sunflowers and Moth Coloring Page will engage second graders in adding color to bring the scene to life while learning the scientific names for the species!

Sunflowers and Moth Coloring Page

This nature coloring page features a detailed depiction of Hibiscus flowers and an African Mantis that your second grader can bring to life by adding color!

Nature Coloring Page

This science fair project will help students learn about non-vascular plants, such as mosses.

Water and Mosses

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

Fizzy Water

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

Food Consumption: Who Eats More?

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Warm, Warmer: How Does Exercise Change Body Temperature?

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Cleansing Power: How Does Dishwashing Liquid Work?

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Does Ultraviolet (UV) Light Pass through Some Colors More than Others?

Little outer space explorers, welcome back to our home planet: Earth! Help your child read a few fun facts about planet Earth with this coloring page.

Earth Coloring Page

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Soil Amendments and Growing Beans

Learn all about balance and motion as your child designs a corn maze!

Corn Maze STEM Challenge

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

The Science Behind Keeping Flowers Fresh

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

Dye Eggs with Onion Skins

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

How to Make Geodes

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Celery and Food Coloring Experiment

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

Naturally Dyed Play Silks

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

Cloud in a Jar

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Make a Fistful of Slime!

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

What a Drag!

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

Building Brick Challenge: Build a Tall Tower

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Craft Fizzing Bath Soaps

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Fat Insulation: How Do Animals Keep Warm?

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

Plant Pets

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Keeping Cut Flowers Fresh

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